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Antennas : 6M : 6 meter Yagi Antennas- 3 Element Yagi Antenna Plan for 6 meter
- A short boom, wideband 3 element yagi antenna plan for six meters that cover the entire band with a resonable performance and a 50 Ohm SWR of less 2:1. Article appeared in QST August 2007
[ Hits: 1292 | Votes: 0 | Rating: 0 ]
- Compact fan dipole for 40 30 and 20 meters band
- An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m
[ Hits: 1138 | Votes: 0 | Rating: 0 ]
- Broadband hexbeam
- This version of the broadband hexbeam is based on the work of Hunt G3TXQ, HB9MCZ, and Shoemaker K4KIO. EZNEC model is based on a wider element spacing than the version published in QST by K4KIO
[ Hits: 573 | Votes: 5 | Rating: 7.8 ]
- Receiving Phased Array with Small Electric or Magnetic Active Wideband Elements
- Wideband receiving phased arrays with small electric or magnetic active wideband
elements are discussed in details. Practical results and examples are given.
[ Hits: 548 | Votes: 0 | Rating: 0 ]
- Efficiency of the Z Match
- Various configurations of the Z Match Tuner are tested for power efficiency over a wide range of antenna load conditions
[ Hits: 968 | Votes: 4 | Rating: 5.5 ]
- World Wide Digi DX Contest
- World Wide Digi DX Contest 2019 The contest will occur over 24 hours on August 31 and September 1, 2019 using the FT4 and FT8 modes on the 160, 80, 40, 20, 15, and 10-meter bands.
[ Hits: 156 | Votes: 0 | Rating: 0 ]
- CQ World Wide VHF Contest
- Official web site of the CQ World Wide VHF Contest
The contest promotes VHF activity on the 6 and 2 meter bands with participation from around the world.
[ Hits: 183 | Votes: 0 | Rating: 0 ]
- Active Antenna Amplifier
- Manufacturer of amplifier for small magnetic and electric receiving wideband antennas, and variable delay line kit for active antenna phased arrays
[ Hits: 279 | Votes: 0 | Rating: 0 ]
- Duracomm Power Supplies
- Power Solutions for Durable Communication Systems. Founded in Sep. 1992, DuraComm Power Supplies is a worldwide recognized leader in ultra-reliable AC-to-DC switch mode power supplies commonly used in the communications industry.
[ Hits: 140 | Votes: 0 | Rating: 0 ]
- SWR ANTENNA ANALYZER + WSPR TX
- Available worldwide can be used as Arduino Shield or plug it in to you PC , or with a bluetooth adapter connect to Android.
With a highly optimized software, KAI200 brings you:
a. Antenna analyzer form 1 up to 200 Mhz;
b. WSPR transmiter (set up by serial terminal);
c. Square Wave Signal generator
KAI200 is all you need for your radio whatever it is
Yaesu, Icom, Kenwood or Drake and DIY projects.
[ Hits: 327 | Votes: 8 | Rating: 9.62 ]
- Codes of the World
- History of codes of the world, russian codes, visual codes, and al long collection of telegraph codes as used worlwide including the international morse code and the relative variations
[ Hits: 990 | Votes: 0 | Rating: 0 ]
- HF Bands
- A review of the HF ham radio bands, considere by far the most popular bands in the amateur service. HF bands offer local QSOs and world-wide propagation are all possible at almost anytime with careful selection of the right frequency for the time of day, time of year, and current state of the sunspot cycle.
[ Hits: 372 | Votes: 1 | Rating: 10 ]
- NAQCC
- North american QRP CW Club, open to any licensed radio amateur or shortwave listener (SWL) worldwide with at least some interest in CW/QRP operation. Encouraging the use of CW and helping all hams increase CW speed and proficiency
[ Hits: 328 | Votes: 0 | Rating: 0 ]
- The Condor Connection
- Is a group of US repeater owners dedicated to wide area linking, disaster preparedness and emergency communcations for all licenced radio operators in CA AZ and NV
[ Hits: 199 | Votes: 0 | Rating: 0 ]
- Icom IC 7300 wide band modification
- ICOM IC-7300 MARS CAP Extended TX modification based on PA2DB instructions with a video and instructions.
[ Hits: 1942 | Votes: 7 | Rating: 7.71 ]
- Maldol MFB-300 HF vertical antenna review
- The Japanese-made Maldol MFB-300 HF vertical antenna offer extremely wide-band performance, with a specified frequency range of 1.0-60 MHz.
[ Hits: 435 | Votes: 2 | Rating: 5.5 ]
- Harbach Electronics - Amateur Radio Amplifier Parts
- Your World-Wide Source For Amateur Radio Amplifier Parts & Upgrade Kits for Collins, Dentron, Drake, Heathkit, Kenwood, Swan W8ZR, Yaesu Products
[ Hits: 273 | Votes: 0 | Rating: 0 ]
- Locura Digital
- Locura Digital is a Radio-Communication Professional company, dealer for wide range of amateur radio products, based in Barcelona Spain
[ Hits: 366 | Votes: 1 | Rating: 8 ]
- Peanut - Ham Radio Digital Voice Client
- Peanut is a free Digital radio client Android App. The App requires a manual registration with the author and allow to chat in proprietary rooms or to connect room linked to DSTAR amateur radio repeaters worldwide. A central Peanut dashboard with current system activity is also available.
[ Hits: 486 | Votes: 1 | Rating: 10 ]
- LinLogBook
- LinLogBook is an logbook for hamradio and it is based on an sql database. It can be widely configured by the user.
[ Hits: 712 | Votes: 0 | Rating: 0 ]
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